1. PROF. LEONARDO CRUZ SALAZAR

2. (a + b)³ = _____ _____ _____ _____

3. 1
1 1
1 2 1
1 3 3 1
1 4 6 4 1

4. a a³b a²b² ab³ b´
_____ _______ -_______ ______ ______
1
1 1
1 2 1
1 3 3 1
1 4 6 4 1
1 5 10 10 5 1